What is the gram of hydrogen in periodic table?
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The wave shown on the electromagnetic spectrum disturb the medium it passes through a)different frequency. b)the same frequency .

In an exothermic reaction the bonding energy of the product is: less than the reactants same as the reactants greater than the reactants dependent upon the presence of a catalyst

How many atoms of mg are present in 97.22 grams of mg? 6.022 × 1023 2.408 × 1024 4.818 × 1024 5.855 × 1025